Thompson, Ritchie and Kernighan admit that Unix was a prank (1989)
stokely.com
stokely.com
Edit: hmm. They say over 20 years. That probably means later than 1989 but not 1999.
http://catless.ncl.ac.uk/Risks/11.79.html
Not sure if it was joking about being from computerworld?
It's not in this edition -
https://books.google.com.au/books?id=sXM8jj29gfIC
Conspiracy -- Linus started Linux as an April fools joke from this April fools joke.
"This has been brewing since april 1991"
https://www.pcworld.idg.com.au/article/524692/linus_torvalds...
Hilarious. Ended up selling it to everybody.
But seriously, given the long history of failures (i.e. search CVE database for buffer overflow), this joke does read like a true story.
Nice. Does this mean to be a successful Unix Admin you also need to be an accomplished psychonaut?
Lol.